Finding the Fourth Proportional to 391,254.14, 586,484.18 and 222,425.70
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Solution
The fourth proportional to 391,254.14, 586,484.18 and 222,425.70 is: 333,412.84
Step by Step Solution
- Step 1: Write the proportion equation
391,254.14 : 586,484.18 = 222,425.70 : x - Step 2: Convert to fraction form
391,254.14/586,484.18 = 222,425.70/x - Step 3: Cross multiply
391,254.14x = 586,484.18 × 222,425.70 - Step 4: Simplify right side
391,254.14x = 130,449,154,275.43 - Step 5: Solve for x
x = 130,449,154,275.43/391,254.14 - Step 6: Final answer
x = 333,412.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.